Network Administration Senior Specialist

ABM industries; Georgia; Hybrid; USD 70,000 - 110,000; Full time

Job summary

ABM Industries is seeking a Network Administrator to manage and optimize our enterprise networking across campus, branch, cloud, and hybrid environments. You will support Tier I/II operations for routing, switching, wireless, SD-WAN, VPN, DNS/DHCP, and cloud networking, partnering with security and IT teams to ensure resilient services.

The role requires 4–5 years in enterprise networking, strong troubleshooting, and familiarity with Cisco ecosystems and ITSM tools.

Qualifications

• Bachelor's degree preferred in Information Technology, Computer Science, Information Systems, or related technical discipline.
• 4-5 years of experience supporting enterprise network infrastructure and network operations.
• Experience with Cisco enterprise networking environments.
• Experience with enterprise ITSM platforms such as ServiceNow.
• Strong troubleshooting and root cause analysis experience.

Responsibilities

• Provide Tier I/Tier II operational support for enterprise LAN, WAN, WLAN, SD-WAN, VPN, DNS, DHCP, and Internet connectivity services.
• Monitor, troubleshoot, and resolve network performance, availability, and reliability issues.
• Install, configure, maintain, and support Cisco networking infrastructure including Catalyst switching, wireless controllers, and Meraki environments.
• Perform network refreshes, hardware replacements, software upgrades, and lifecycle management activities.
• Maintain network configurations, VLANs, routing protocols, wireless infrastructure, and IP address management.
• Support network security technologies including firewalls, NAC solutions, MFA integrations, segmentation, and secure remote access.
• Partner with Cybersecurity teams on vulnerability remediation, incident response, and infrastructure hardening initiatives.
• Utilize monitoring and observability platforms to proactively identify and remediate performance issues.
• Analyze packet captures, NetFlow data, latency issues, and application performance metrics.
• Support automation initiatives using Ansible, Terraform, Python, REST APIs, and Git-based workflows.
• Maintain network documentation, diagrams, standards, and operating procedures.
• Participate in project implementations, maintenance windows, and on-call support rotations.
• Perform other duties as assigned

Skills

Zero Trust Architecture

Analytical skills

Communication

Customer service

Collaboration

On-call rotations

Education

Bachelor's degree in Information Technology, Computer Science, Information Systems, or related technical discipline

Tools

Cisco ISE

Catalyst switching

Cisco Meraki

Cisco DNA

ThousandEyes

Azure

AWS

Google Cloud

SD-WAN

Firewall technologies

NAC solutions

MFA integrations

SolarWinds

LogicMonitor

Datadog

Splunk

Grafana

7SIGNAL

Wireshark

NetFlow

Ansible

Terraform

Python

PowerShell

REST APIs

Infoblox DDI

ServiceNow

Job description

The Network Administrator is responsible for the operational support, administration, maintenance, and continuous improvement of ABM's enterprise networking infrastructure across campus, branch, cloud, and hybrid environments. This role provides Tier I and Tier II support for enterprise network services, including routing, switching, wireless, SD-WAN, VPN, DNS, DHCP, and cloud networking technologies.

The Network Administrator works closely with Network Engineering, Cybersecurity, Cloud Operations, Service Desk, and business stakeholders to deliver secure, resilient, and highly available network services. The role supports network modernization initiatives, automation programs, observability platforms, and Zero Trust security objectives while maintaining operational excellence and customer satisfaction.

Responsibilities

• Provide Tier I/Tier II operational support for enterprise LAN, WAN, WLAN, SD-WAN, VPN, DNS, DHCP, and Internet connectivity services.
• Monitor, troubleshoot, and resolve network performance, availability, and reliability issues.
• Install, configure, maintain, and support Cisco networking infrastructure including Catalyst switching, wireless controllers, and Meraki environments.
• Perform network refreshes, hardware replacements, software upgrades, and lifecycle management activities.
• Maintain network configurations, VLANs, routing protocols, wireless infrastructure, and IP address management.
• Support network security technologies including firewalls, NAC solutions, MFA integrations, segmentation, and secure remote access.
• Partner with Cybersecurity teams on vulnerability remediation, incident response, and infrastructure hardening initiatives.
• Utilize monitoring and observability platforms to proactively identify and remediate performance issues.
• Analyze packet captures, NetFlow data, latency issues, and application performance metrics.
• Support automation initiatives using Ansible, Terraform, Python, REST APIs, and Git-based workflows.
• Maintain network documentation, diagrams, standards, and operating procedures.
• Participate in project implementations, maintenance windows, and on-call support rotations.
• Perform other duties as assigned

Education

• Bachelor's degree preferred in Information Technology, Computer Science, or equivalent professional experience.

Experience

• 4-5 years of experience supporting enterprise network infrastructure and network operations.
• Experience supporting Cisco enterprise networking environments.
• Experience with enterprise ITSM platforms such as ServiceNow.
• Strong troubleshooting and root cause analysis experience.

Education

• Bachelor's degree preferred in Information Technology, Computer Science, Information Systems, or related technical discipline.

Experience

• Experience with Cisco ISE, Catalyst Center, Cisco Meraki, Cisco DNA, ThousandEyes, or Cisco Secure technologies.
• Experience supporting Azure, AWS, or Google Cloud networking environments.
• Experience with SD-WAN technologies.
• Experience with enterprise monitoring and observability platforms such as SolarWinds, LogicMonitor, Datadog, Splunk, Grafana, 7SIGNAL, or similar solutions.
• Experience with Wireshark, NetFlow, and packet analysis tools.
• Experience with network automation technologies including Ansible, Terraform, Python, PowerShell, and REST APIs.
• Experience supporting Wi-Fi 6/6E environments and Infoblox DDI solutions.

Other

• Knowledge of Zero Trust Architecture, SASE, and Secure Service Edge (SSE).
• Strong analytical, communication, customer service, and collaboration skills.
• Ability to support after-hours maintenance activities and participate in on-call rotations.

Licenses

• Preferable, but not required: CCNA, CCNP, CCIE additional advanced Cisco certifications

• Hybrid or remote work environment, based on business requirements.
• Minimal travel required.
• Ability to support scheduled maintenance windows, evenings, weekends, and on-call rotations as needed